CVE-2022-21951

What it is

A Cleartext Transmission of Sensitive Information vulnerability in SUSE Rancher, Rancher allows attackers on the network to read and change network data due to missing encryption of data transmitted via the network when a cluster is created from an RKE template with the CNI value overridden This issue affects: SUSE Rancher Rancher versions prior to 2.5.14; Rancher versions prior to 2.6.5.

At a glance

Exploitability

Can be exploited over the network with a low-privilege account. High risk of data exposure, data tampering.

Exploit odds

0.4% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2022-05-25 09:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 04:27 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.4% in the next 30 days (EPSS).
• Severity: 6.8 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2022-05-25 09:15 UTC

Last modified

2026-06-17 04:27 UTC

Exploit probability

0.4% · EPSS, next 30 days

Weakness

CWE-319 · Cleartext transmission

Record status

Modified

Affected

• Suse Rancher < 2.5.14
• Suse Rancher < 2.6.5

Attack profile CVSS 3.1 · 6.8

Attack vector

Network

Complexity

High

Privileges needed

Low

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2022-21951.md and follow it. Check whether this project is affected by CVE-2022-21951. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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